At the Institute of Resource Ecology at the Helmholtz-Zentrum Dresden-Rossendorf, various forms of theses can be acquired (PhD, Diploma/Master Degree and Bachelor) in collaboration with various universities.
Currently advertised PhD vacancies are listed on the job portal of the Helmholtz-Zentrum Dresden Rossendorf.
Current topics for Bachelor-, Master- bzw. Diploma Thesis as well as topics for student assistants can be found here.
Here is an overview of